Sr Engineer III, Algorithm

Job Summary: The Senior Engineer III, Algorithms leads the design, development, validation, and optimization of advanced biomedical signal processing algorithms supporting Masimo's noninvasive monitoring technologies. This role applies deep technical expertise to solve complex engineering challenges, translate scientific concepts into clinically meaningful solutions, and support the development of innovative medical devices. Working cross-functionally with engineering, clinical, quality, and regulatory teams, the Senior Engineer III serves as a technical subject matter expert, driving innovation and mentoring junior engineers.Please note this is an onsite position at our Irvine, CA. office. Duties & Responsibilities:Lead the design, development, implementation, validation, and optimization of advanced biomedical signal processing algorithms supporting Masimo's noninvasive monitoring technologies. Apply expertise in signal processing, statistical analysis, numerical modeling, and software development to solve complex technical challenges and improve algorithm performance, accuracy, and reliability. Design and execute experiments, analyze clinical and engineering datasets, and validate algorithm performance to support product development and regulatory requirements. Develop and implement algorithm solutions using MATLAB, C/C++, Python, or other applicable programming languages, including support for embedded system implementation. Collaborate cross-functionally with Hardware, Software, Systems, Clinical, Quality, Regulatory, and Product Management teams throughout the product development lifecycle. Provide technical leadership on complex development initiatives, including design reviews, technical problem solving, and the establishment of engineering best practices. Mentor and provide technical guidance to junior engineers while fostering knowledge sharing and continuous improvement within the engineering organization. Evaluate emerging technologies, scientific literature, and industry trends to identify opportunities for innovation and advancement of Masimo's technology portfolio. Contribute to intellectual property development, technical documentation, design controls, and other engineering deliverables supporting successful product commercialization. Perform other duties as assigned.Minimum Qualifications:10+ years of experience developing algorithms for biomedical signal processing or other complex sensing applicationsStrong expertise in digital and statistical signal processing, estimation techniques, optimization methods, and numerical modelingAdvanced programming proficiency in MATLAB and C/C++; experience with Python or similar programming languages Strong understanding of embedded systems and algorithm implementation considerationsExperience analyzing and interpreting large datasets using statistical methodsDemonstrated analytical, problem-solving, and troubleshooting capabilitiesAbility to independently lead complex technical projects with minimal directionExcellent written, verbal, and presentation communication skillsProven ability to collaborate effectively within cross-functional engineering organizationsPreferred Qualifications:Experience developing physiological measurement algorithms for medical devicesKnowledge of cardiovascular physiology, pulse oximetry, or other noninvasive monitoring technologiesExperience working within FDA-regulated medical device development environmentsFamiliarity with Design Controls, verification and validation processes, and applicable industry standardsExperience applying machine learning, artificial intelligence, or advanced modeling techniques to biomedical signal processingPublications, patents, or demonstrated history of technical innovationEducation: Bachelor’s degree in Electrical Engineering, Biomedical Engineering, Computer Engineering, Computer Science, Applied Mathematics, or a related technical discipline required; Master’s or Ph.D. preferred.Compensation + Benefits: The anticipated range for this position is $150,000 - $185,000. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience. This position also qualifies for up to 10% annual bonus based on Company, department, and individual performance. Masimo offers benefits such as Medical, Dental, Vision, Life/AD&D, Disability Insurance, 401(k), Vacation, Sick, Holiday, Paid Maternity Leave, Flexible Spending Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet Insurance, on-site Wellness Clinic, Fitness Center, Café. All benefits are subject to eligibility requirements.Language Requirements: Ability to read, write, and communicate effectively in EnglishAbility to interpret technical documents, schematics, and written instructionsAbility to clearly document technical findings and communicate with cross-functional team membersPhysical requirements/Work Environment:This position primarily works in a laboratory environment. It requires frequent sitting, standing, and walking. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities.The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodation may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.Full timePosting Date: 2026-08-25